<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>知途家教</title>
  <script>
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    //   function() {
    //       var MAX_WIDTH = 640,
    //       htmlDom = document.querySelector("html"),
    //       htmlWidth = htmlDom.clientWidth,
    //       screenWidth = screen.width,
    //       width = Math.min(htmlWidth, MAX_WIDTH),
    //       htmlFontSize = width / 10,
    //       preHtmlFontSize = htmlDom.style.fontSize || "";
    //       preHtmlFontSize = parseFloat(preHtmlFontSize);
    //       if (preHtmlFontSize && htmlFontSize == preHtmlFontSize) {
    //           return
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    //       if (screenWidth > 750) {
    //           htmlFontSize = 37.5
    //       };
    //       htmlDom.style.fontSize = htmlFontSize + "px"
    //   }); !
    //   function() {
    //       var event = document.createEvent("HTMLEvents");
    //       event.initEvent("resize", false, false);
    //       window.dispatchEvent(event)
    //   } ();
    (function flexible (window, document) {
  var docEl = document.documentElement
  var dpr = window.devicePixelRatio || 1

  // adjust body font size
  function setBodyFontSize () {
    if (document.body) {
      document.body.style.fontSize = (12 * dpr) + 'px'
    }
    else {
      document.addEventListener('DOMContentLoaded', setBodyFontSize)
    }
  }
  setBodyFontSize();

  // set 1rem = viewWidth / 10
  function setRemUnit () {
    var rem = docEl.clientWidth / 10
    docEl.style.fontSize = rem + 'px'
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  setRemUnit()

  // reset rem unit on page resize
  window.addEventListener('resize', setRemUnit)
  window.addEventListener('pageshow', function (e) {
    if (e.persisted) {
      setRemUnit()
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  })

  // detect 0.5px supports
  if (dpr >= 2) {
    var fakeBody = document.createElement('body')
    var testElement = document.createElement('div')
    testElement.style.border = '.5px solid transparent'
    fakeBody.appendChild(testElement)
    docEl.appendChild(fakeBody)
    if (testElement.offsetHeight === 1) {
      docEl.classList.add('hairlines')
    }
    docEl.removeChild(fakeBody)
  }
}(window, document))


  </script>
</head>

<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
</body>

</html>
